<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    body {
      margin: 0;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      background-color: #111;
    }

    .ring {
      position: relative;
      width: 180px;
      height: 80px;
      border-radius: 100%;
      border: 10px solid rgba(255, 255, 255, 0.5);
      animation: scaleAndFall 2s infinite ease-in-out;
    }

    /* @keyframes scaleAndFall {
      0% {
        transform: scale(1);
      }
      50% {
        transform: scale(1.5);
      }
      100% {
        transform: translateY(100vh) scale(1.5);
      }
    } */
  </style>
</head>
<body>
  <div class="ring"></div>
</body>
</html>
